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Rizal Mahmud
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Journal of Mechanical Engineering, Science, and Innovation
Published by Institut Teknologi Adhi Tama Surabaya
ISSN : 2776933X     EISSN : 27763536     DOI : https://doi.org/10.31284/j.jmesi
Core Subject : Science, Engineering,
Control & Systems Engineering Energy Engineering Mechanical Engineering
Journal of Mechanical Engineering, Science, and Innovation (JMESI) is a peer-reviewed journal in English published two issues per year (in April and October). JMESI dedicated to publishing quality and innovative research in the field of mechanical engineering and science, thereby promoting applications to engineering problem. It encompasses the engineering of energy, mechanical, materials, and manufacturing, but it is not limited to scopes. Those are allowed to discuss on the following scope: Energy: Energy Conversion, Energy Conservation, Renewable Energy, Energy Technology, Energy Management. Mechanical: Applied Mechanics, Automobiles and Automotive Engineering, Tribology, Biomechanics, Dynamic and Vibration, Mechanical System Design, Mechatronics. Material: Material Science, Composite and Smart Material, Micro and Nano Engineering, Powder Metallurgy. Manufacturing: Advanced Manufacturing Techniques, Automation in Manufacturing, Modelling, and Optimization of Manufacturing Processes.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 71 Documents
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BIBLIOMETRIC MAPPING ANALYSIS OF RESEARCH ON POLY (LACTIC-CO-GLYCOLIC ACID) NANOPARTICLE IN DRUG DELIVERY USING VOSVIEWER Widya Prasetyawati Septiani; Asep Bayu Dani Nandiyanto
Journal of Mechanical Engineering, Science, and Innovation Vol 2, No 2 (2022): (October)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2022.v2i2.3578

Abstract

Nanopartikel poly (lactic-co-glycolic acid) (PLGA) adalah salah satu nanopartikel polimer biodegradable yang paling efektif dalam sistem penghantaran obat. Penelitian ini dilakukan untuk mengkaji perkembangan penelitian nanopartikel PLGA dalam penghantaran obat melalui pendekatan bibliometrik dengan analisis pemetaan menggunakan VOSviewer. Data artikel diperoleh dari database Google Scholar menggunakan software Publish or Perish. Kata kunci yang digunakan untuk mencari dan mengumpulkan artikel yang relevan adalah “poly (lactic-co-glycolic acid)”, “nanoparticle”, “nanoparticle PLGA” dan “drug delivery” dengan masa studi 10 tahun terakhir (2013 sd 2022). Dari hasil pencarian tersebut ditemukan 1000 artikel terindeks Google Scholar yang dianggap relevan dengan nanopartikel PLGA dalam penghantaran obat. Berdasarkan hasil analisis, selama periode 2013-2022, perkembangan penelitian nanopartikel PLGA dalam penghantaran obat tidak stabil. Popularitas penelitian tersebut terbilang sudah cukup lama, puncak popularitas terjadi pada tahun 2019 dengan jumlah artikel yang dipublikasi sebanyak 126 artikel, dan sejak 3 tahun terakhir ini mengalami penurunan. Hasil penelitian ini diharapkan dapat menjadi acuan untuk membuat penelitian baru atau penelitian lebih lanjut mengenai nanopartikel PLGA dalam penghantaran obat yang dikaitkan dengan material lain.Kata kunci: Analisis pemetaan, bibliometrik, nanopartikel PLGA, penghantaran obat,, VOSviewer.
BIBLIOMETRIC COMPUTATIONAL MAPPING ANALYSIS OF PUBLICATIONS ON FERROUS FERRIC OXIDE (Fe3O4) NANOPARTICLES USING VOSVIEWER Anisa Noorlela; Asep Bayu Dani Nandiyanto
Journal of Mechanical Engineering, Science, and Innovation Vol 2, No 2 (2022): (October)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2022.v2i2.3580

Abstract

This study aims to analyze computational bibliometric mapping using VOSviewer software on Fe3O4 nanoparticles. The article data was obtained from the Google Scholar database using a reference manager application, namely Publish or Perish. Publish or Perish software is used to conduct a literature review on the selected topic. The title and abstract of the article are used to guide the search process by referring to the keyword “Fe3O4 nanoparticles”. It was found that 998 articles related to the research period used as study material were Google Scholar indexed articles for the last 10 years (2012 to 2022). The results show that Fe3O4 nanoparticles research can be separated into 3 terms: Fe3O4 nanoparticles, nanoparticles, and Fe3O4. The term " Fe3O4 nanoparticles" is associated with 217 links with a total link strength of 986. The term "Nanoparticles" has 259 links with a total link strength of 1667 and the term " Fe3O4" has 237 links with a total link strength of 1297. The results of the analysis of research developments related to Fe3O4 nanoparticles fluctuated from 2012 to 2019. The largest increase in publications was in 2017 and 2018 with the number of publications being 110 and 109. In the last 3 years there has been a drastic decline, namely in 2020 as many as 96 publications, 2021 as many as 73 publications, and 2022 as many as 27 publications. These data indicate that the popularity of Fe3O4 nanoparticle research is relatively unstable and interest in Fe3O4 nanoparticles has decreased. This study examines how many articles have been published on Fe3O4 nanoparticles and their relation to problem areas using VOSviewer. This review of the article can serve as a starting point for research related to other materials.
Bibliometric Analysis of Solid Lipid Nanoparticle in Drug Delivery Application Using Vosviewer Salsabila Yaafi Saniyyah; Asep Bayu Dani Nandiyanto
Journal of Mechanical Engineering, Science, and Innovation Vol 2, No 2 (2022): (October)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2022.v2i2.3582

Abstract

Solid Lipid Nanoparticle (SLN) merupakan sistem koloid pembawa untuk mengontrol perbaikan susunan kimia tubuh. SLN dapat meningkatkan kelarutan obat yang memiliki kelarutan yang rendah dalam air dan juga dapat mengontrol pelepasan. Tujuan dari penelitian ini adalah untuk melakukan analisis bibliometrik terhadap pengembangan SLN sebagai drugs delivery dengan menggunakan analisis pemetaan menggunakan software VOSviewer. Data yang digunakan dalam penelitian ini diperoleh dan dikumpulkan dengan menggunakan software Publish or Perish. Data yang diperoleh berdasarkan kata kunci “Solid Lipid Nanoparticle, SLN, drugs delivery”. Berdasarkan analisis yang dilakukan, didapatkan 1000 artikel yang relevan dengan kata kunci yang digunakan pada rentang 2012-2022. Pada tren publikasi terdapat hasil yang fluktuatif dengan jumlah publikasi tertinggi pada tahun 2014 dan terendah pada tahun 2022. Hal ini menunjukkan bahwa minat penelitian akhir-akhir ini mengalami penurunan.
Experimental Investigation of Heat Transfer in a Flat-wall Impinging Diesel Spray Flame under Diesel-like Conditions Safiullah Safiullah; Samir Chandra Ray; Iis Rohmawati; Rizal Mahmud
Journal of Mechanical Engineering, Science, and Innovation Vol 3, No 1 (2023): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2023.v3i1.4512

Abstract

The heat loss through the walls of Internal Combustion Engines (ICEs) needs to be minimized and improved since it has a detrimental impact on the overall thermal efficiency of the engine. This study focuses on investigating heat transfer in a flat-wall impinging diesel spray flame, simulating diesel conditions, to optimize engine parameters. The effects of factors such as various injection pressures, nozzle hole diameters, impingement distances, and oxygen concentrations are analysed in combined and individually. Experimental techniques, such as high-speed imaging, heat flux sensors, and thermocouples, are used to visualize spray flame, measure heat flux profiles and temperature distributions, respectively. Preliminary results and their implications on heat transfer and heat loss are discussed. Regarding the parametric studies investigating the effect on wall heat loss under conditions similar to those of a small diesel engine, it was observed that the transferred heat on the wall was significant in certain conditions. These results emphasize the effectiveness of manipulating the injection rate profile as a viable step to suppress the heat transfer through the wall.
Experimental Study of Spark Ignition Engine Performance under Different Electronic Control Units, Hole Injectors and Spark Plugs Aureo Adriyanto Da Costa Amaral; Naili Saidatin; Hasan Syafik Maulana
Journal of Mechanical Engineering, Science, and Innovation Vol 3, No 1 (2023): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2023.v3i1.2992

Abstract

The passage discusses the use of technology in vehicle fuel systems, specifically the injection system technology that is replacing conventional fuel systems. One crucial component of the fuel injection system is the Engine Control Unit (ECU), which controls the distribution of current to all engine components. While standard ECUs used on motorcycles today have limitations, racing ECUs provide more quality and can improve engine performance. The study aims to evaluate the engine's performance after modifications with an upgraded racing ECU using an 8-hole injector and racing spark plugs in the ignition system to enhance the motorcycle's performance. The methods and analysis section details the tools utilized, including the chassis dynamometer, and the parameters used in the study. The results and discussions section presents the collected data and compares it with previous studies to validate the observations.
Cover and Editorial Page Ahmad Anas Arifin
Journal of Mechanical Engineering, Science, and Innovation Vol 3, No 1 (2023): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2023.v3i1.4539

Abstract

Simulation Performance Analysis of Shell and Tube Heat Exchanger Using Comsol Multiphysics 5.6 Software Yety Setyo Ningrum; Ririn Martin Erinda; Made Arsana; Erlinda Ningsih; Anthony Francis Rajan
Journal of Mechanical Engineering, Science, and Innovation Vol 3, No 1 (2023): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2023.v3i1.3544

Abstract

A heat exchanger is a very important tool in the fields of engineering and industry, especially in energy conversion. This study was aimed at determining the effects of hot and cold fluid flow velocity on the overall heat transfer coefficient (UA) and effectiveness in shell and tube heat exchangers using COMSOL Multiphysics 5.6 software. Another research objective was to observe the phenomena of heat transfer in the shell and tube type heat exchanger at each hot and cold fluid flow velocity. The heat exchanger was designed with a total length of 800 mm and equipped with 18 tubes having a diameter of 2 in and a length of 600 mm. The material used for tube and shell construction was stainless steel. A simulation was carried out using COMSOL Multiphysics 5.6 software to determine the performance of the designed heat exchanger. The results of this simulation indicated that the effects of hot and cold fluid velocity were directly proportional to the value of UA. The heat exchanger have result the smallest UA value of 80.062 W/m2.K, meanwhile the highest UA value of 174.950 W/m2.K. The heat exchanger have result the minimum effectiveness value of 22.305% and the maximum effectiveness value of 52,047%. The second result is phenomenon stating that the surface temperature of the shell and tube would change along with the increasing velocity of both hot and cold fluids, signifying the heat transfer such as conduction and convection from the fluid to the shell or tube.
Techno-Economic Analysis of the Production of Magnesium Oxide Nanoparticles Using Sol-Gel Method Anisa Noorlela; Asep Bayu Dani Nandiyanto; Risti Ragadhita; Meli Fiandini; Tedi Kurniawan
Journal of Mechanical Engineering, Science, and Innovation Vol 3, No 1 (2023): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2023.v3i1.3870

Abstract

The purpose of this research is to determine the feasibility of a project in producing magnesium oxide (MgO) nanoparticles using the sol-gel method and to evaluate it from a technical and economic point of view. The sol-gel method is a method that is often used by industry because the process is simpler. Assessment from a specialized point of see is done by calculating the stoichiometry, whereas assessment from a financial viewpoint is decided by a few parameters, such as deciding Gross Profit Margin (GPM), predicting Payback Period (PBP), predicting Cumulative Net Present Value (CNPV), etc. The results of the technical analysis appear that the overall fetched of the gear to create 1,875 kg of MgO nanoparticles per day is 45,373 USD. Payback Period analysis appears that the venture pays off after more than three a long time. This venture is able to compete with PBP capital advertise measures since the venture will return in a brief time. Based on the economic evaluation, it can be concluded that this project is very promising if it is anticipated that losses will occur due to changes in several ideal conditions. The result of this study about are anticipated to be a reference for building more economical, efficient and high-demand MgO nanoparticle production projects.
Wavy Leading Edge (WLE) Influence on a Rectangular Wing Using an Unsteady Analysis Approach Iis Rohmawati; Hiroshi Arai; Ika Nurjannah
Journal of Mechanical Engineering, Science, and Innovation Vol 3, No 1 (2023): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2023.v3i1.4477

Abstract

A rectangular wing with Wavy Leading Edge (WLE) effect was investigated experimentally and numerically. This research was carried out with the NACA 0018 profile. The morphology of humpback whale flippers, which are blunt and rounded in a specific pattern, inspired the design of the WLE. The rectangular wing was explored in pitching motion with a reduced frequency of k = 0.25 and varied aspect ratios. Multiple aspect ratios (AR) of the rectangular wing have been evaluated to determine the best wing aspect ratio, notably 3.9, 5.1, and 7.9. Only at AR 3.9 and 5.1 does the WLE perform efficiently in both upstroke and downstroke motion. WLE has a sinusoidal function shape. The improvement of lift force was stronger during upstroke motion than during downstroke motion. The stall is minimized during the pitching motion of the WLE wing, according to the numerical simulation. This result could be applied to fin stabilizers or wind turbines.
Effects of UV Exposure on the Physical, Chemical, and Mechanical Properties of Silica Microballoon Reinforced Epoxy Composites Yunus, Muhammad; Ardhyananta, Hosta; Hidayat, Mas Irfan Purbawanto; Rosidah, Afira Ainur; Laksmono, Joddy Arya; Jayatin, Jayatin; Susanti, Diah; Wijaya, Ade Mundari
Journal of Mechanical Engineering, Science, and Innovation Vol 4, No 1 (2024): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2024.v4i1.6159

Abstract

Epoxy-based composites are widely used in various applications due to their excellent mechanical properties and durability, but their performance under prolonged UV exposure remains a critical concern. This study examines the impact of UV exposure on the physical, chemical, and mechanical properties of epoxy-silica microballoon composites over curing periods of 0, 200, and 400 hours. Results indicate that UV treatment increased the density from 1.0073 g/cm³ to 1.0129 g/cm³. SEM images showed a reduction in fragmentation of epoxy microballoons, indicating stronger bonding. EDX results revealed some changes in elemental composition, with a notable decrease in the percentage of sodium from 0.81 wt.% to 0.18 wt.% and silicon from 7.16 wt.% to 0.12 wt.%. FTIR analysis identified a new hydrogen bond formations at 3350 cm⁻¹. Mechanical testing showed that UV treatment significantly increased the flexural stress from 36.83 MPa to 49.98 MPa. Additionally, hardness (Shore D) increased from 78.4 to 80.2 Shore D. These findings highlighted the significant effects of UV exposure on the structural integrity and bonding mechanisms of the composites, offering valuable insights for their use in UV-prone environments.

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